<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        table{
            border-collapse: collapse;
            border-spacing: 0px;
        }
    </style>
</head>

<body>
    <table border="1" >
        <thead>
            <tr>
                <td>编号</td>
                <td>标题</td>
                <td>网址</td>
            </tr>
        </thead>

        <tbody>
            <tr>
                <td>1</td>
                <td>开发实战</td>
                <td>123</td>
            </tr>
            <tr>
                <td>1</td>
                <td>开发实战</td>
                <td>123</td>
            </tr>

            <tr>
                <td>1</td>
                <td>开发实战</td>
                <td>123</td>
            </tr>
        </tbody>
    </table>

</body>

</html>